.chengradio{
    margin-right: 10px;

}

.chengradio span{
    border: 1px  solid #dcdfe6;
   

}
.chenggroup .el-radio-button:first-child .el-radio-button__inner{
         border-radius:0px  ;
}

.chenggroup .el-radio-button:last-child .el-radio-button__inner {
         border-radius:0px  ;
}